Here is the full list of all 47 Vigil: The Longest Night achievements.
Complete all skill trees
Reach maximum value of Arcane power
Reach maximum value of Throwing power
Get at least one of every equipment in game (including rings)
Get at least one of every weapon in game
Distribute the placebos to the Villagers in town
Collect all furniture
Beg to Drew 5 times
Collect all arcane items
Forge 5 weapon/equipment enchanted and reach to +7
Give the Cubic Crystals to the Doctor
Complete the survival skill tree
Complete the bow skill tree
Complete the dual weapon skill tree
Complete the axe skill tree
Complete the sword skill tree
Wake Daisy's soul inside the Devourer
Defeat Light Devourer
Stop the crazy Doctor
Give Isabella the ball
Defeat Dephil
Defeat Uptancos
Defeat The North Princess
Complete the Mysterious Trader's request
Find the Golden Slime
Help August during his adventure
Pass Sister Holly's test
Defeat the Evil inside the wood
Followed Hilda's words to relieve the seal
Defeat Lord of the Misty Lake
Collect all 7 lost paintings
Help James to find the salt
Buy Buffe's house
Save all miners then talk to Edward
Defeat Erupting Flesh Cluster
Find Hamilton's belongings
Don't shake it anymore!
Complete Noax's request
Defeat Kelpie, the Lord of Tide
Help Daisy to get the medicine
Get the Fallen Eyeball from Hilda
Help Thurber W. Sungi's investigation
Defeat the Ancient Guard once
Complete Duran's quest
Defeat Brood Mother
Defeat the Craving Terror outside the town
Welcome to the world of Vigil: The Longest Night!